package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.AuthServiceConstat;
import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.gulimall.auth.feign.ThirdPartFeignService;
import com.atguigu.gulimall.auth.vo.UserLoginVo;
import com.atguigu.gulimall.auth.vo.UserRegisterVo;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import javax.servlet.http.HttpSession;
import javax.validation.Valid;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@Controller
public class LoginController {

    @Autowired
    ThirdPartFeignService thirdPartFeignService;
    @Autowired
    StringRedisTemplate redisTemplate;
    @Autowired
    MemberFeignService memberFeignService;

    @GetMapping("/sms/sendcode")
    @ResponseBody
    public R sendCode(@RequestParam("phone") String phone) {


        String redisCode = redisTemplate.opsForValue().get(AuthServiceConstat.SMS_CODE_CACHE_PREFIX + phone);
        if (StringUtils.isNotEmpty(redisCode)) {
            long l = Long.parseLong(redisCode.split("_")[1]);
            if (System.currentTimeMillis() - l < 60000) {
                return R.error(BizCodeEnume.SMS_CODE_EXCEPTION.getCode(), BizCodeEnume.SMS_CODE_EXCEPTION.getMsg());
            }
        }
        String code = UUID.randomUUID().toString().substring(0, 5);

        String sub = UUID.randomUUID().toString().substring(0, 5) + "_" + System.currentTimeMillis();

        redisTemplate.opsForValue().set(AuthServiceConstat.SMS_CODE_CACHE_PREFIX+phone, sub, 10, TimeUnit.MINUTES);

        thirdPartFeignService.sendCode(phone,code);
        return R.ok();
    }

    @PostMapping("/register")
    public String register(@Valid UserRegisterVo vo, BindingResult result, RedirectAttributes redirectAttributes, HttpSession session) {
        if (result.hasErrors()) {
            Map<String, String> errors = result.getFieldErrors().stream().collect(Collectors.toMap(FieldError::getField, FieldError::getDefaultMessage));
            redirectAttributes.addFlashAttribute("errors", errors);
            return "redirect:http://auth.gulimall.com/register.html";
        }
        String code = vo.getCode();
        String s = redisTemplate.opsForValue().get(AuthServiceConstat.SMS_CODE_CACHE_PREFIX + vo.getPhone());
        if (StringUtils.isNotEmpty(s)) {
            if (code.equals(s.split("_")[0])) {
                redisTemplate.delete(AuthServiceConstat.SMS_CODE_CACHE_PREFIX + vo.getPhone());
                R register = memberFeignService.register(vo);
                if (register.getCode() == 0) {
                    return "redirect:/login.html";
                } else {
                    Map<String,String> errors = new HashMap<>();
                    errors.put("msg", register.getData("msg",new TypeReference<String>(){}));
                    redirectAttributes.addFlashAttribute("errors",errors);
                    return "redirect:http://auth.gulimall.com/register.html";
                }
            }
        } else {
            Map<String, String> errors = new HashMap<>();
            errors.put("code","验证码错误");
            redirectAttributes.addFlashAttribute("errors", errors);
            return "redirect:http://auth.gulimall.com/register.html";
        }
        return "redirect:http://auth.guliamll.com/login.html";
    }

    @PostMapping("/login")
    public String login(UserLoginVo vo, RedirectAttributes redirectAttributes) {

        R r = memberFeignService.login(vo);

        if (r.getCode() == 0) {
            return "redirect:http://guliamll.com";
        } else {
            Map<String, String> errors = new HashMap<>();
            errors.put("msg", r.getData("msg", new TypeReference<String>() {
            }));
            redirectAttributes.addFlashAttribute("errors", errors);
            return "redirect:http://auth.guliamll.com/login.html";
        }

    }

}
